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Ultra-high-molecular-weight polyethylene ( … Ultra-high-molecular-weight polyethylene (UHMWPE, UHMW) is a subset of the thermoplastic polyethylene. Also known as high-modulus polyethylene, (HMPE), it has extremely long chains, with a molecular mass usually between 3.5 and 7.5 million amu. The longer chain serves to transfer load more effectively to the polymer backbone by strengthening intermolecular interactions. This results in a very tough material, with the highest impact strength of any thermoplastic presently made. UHMWPE is odorless, tasteless, and nontoxic. It embodies all the characteristics of high-density polyethylene (HDPE) with the added traits of being resistant to concentrated acids and alkalis, as well as numerous organic solvents. It is highly resistant to corrosive chemicals except oxidizing acids; has extremely low moisture absorption and a very low coefficient of friction; is self-lubricating (see boundary lubrication); and is highly resistant to abrasion, in some forms being 15 times more resistant to abrasion than carbon steel. Its coefficient of friction is significantly lower than that of nylon and acetal and is comparable to that of polytetrafluoroethylene (PTFE, Teflon), but UHMWPE has better abrasion resistance than PTFE. has better abrasion resistance than PTFE.
, 超高分子量ポリエチレン（ちょうこうぶんしりょうぽりえちれん、Ultra High Molecular Weight Polyethylene－UHPEまたはUHMWPE）は、通常2～30万の分子量を100～700万まで高めたポリエチレン。熱可塑性樹脂に分類される合成樹脂であり、スーパーエンジニアリングプラスチックのひとつとみなされている。 ダイニーマ（Dyneema、コーニンクレッカDSM、東洋紡がライセンス生産）、スペクトラ（Spectra、ハネウェル）などの商品名でも呼ばれる。
, Il polietilene ad altissimo peso molecolar … Il polietilene ad altissimo peso molecolare (in inglese Ultra High Molecular Weight Poly-Ethylene) è un polimero specialistico, non fluido, lavorato con tecniche simili a quelle dei metalli; ha una massa atomica di 3-6 MDa.Filato al 5% in naftalina o decalina dà una fibra, chiamata Dyneema con una cristallinità dell'85% e densità di 0,97 g/cm3. Questa "super-fibra" è utilizzata per applicazioni speciali quali indumenti anti-proiettile, vele, cordami; risulta essere 2 volte più resistente del kevlar e 15 volte più dell'acciaio a parità di peso. Rappresenta il materiale più leggero e resistente in commercio.Seppur sia un polimero lineare, il suo grado di cristallinità non è elevato (45-60%), e può essere anche inferiore a quello dell'LDPE (50-60%). Il motivo sta nel fatto che l'UHMWPE allo stato fluido è estremamente viscoso, e ciò ne limita le possibilità di disporsi in modo ordinato, e quindi la cristallinità. Presenta anche fotosensibilità, e ciò dev'essere tenuto in considerazione per lo stoccaggio del materiale.derazione per lo stoccaggio del materiale.
, El polietileno de ultra alto peso molecula … El polietileno de ultra alto peso molecular es un polímero de la familia de los polímeros olefínicos conformado por unidades repetitivas de etileno. Se le suele designar como UHMWPE (por sus siglas en inglés, Ultra-high-molecular-weight polyethylene) o HMPE (high-modulus polyethylene). El HMPE tiene cadenas extremadamente largas, que cuentan con una masa molecular que ronda entre 3.5 y 7.5 millones de dalton. Lo que hace que el HMPE sea un material muy resistente, teniendo la mayor resistencia al impacto de cualquier termoplástico fabricado.cto de cualquier termoplástico fabricado.
, Le polyéthylène de masse molaire très élev … Le polyéthylène de masse molaire très élevée (UHMPE) est un polyéthylène haute densité (PE-HD) caractérisé par une excellente tenue à l'abrasion. En raison de sa très forte masse molaire, ce polyéthylène linéaire présente un indice de fluidité très faible, sa mise en forme est donc difficile. Des fibres de module très élevé peuvent être obtenues après étirage.élevé peuvent être obtenues après étirage.
, 초고분자량 폴리에틸렌(ultrahigh molecular weight polyethylene, UHMWPE)은 열가소성 폴리에틸렌의 일종이다.
, Сверхвысокомолекуля́рный полиэтилéн (СВМПЭ … Сверхвысокомолекуля́рный полиэтилéн (СВМПЭ, англ. Ultra-high molecular weight polyethylene, UHMW PE) — термопластичный полимер, конструкционный материал, пригодный для работы в экстремальных условиях эксплуатации. Синонимы:
* полиэтилен с высоким модулем упругости (англ. High modulus polyethylene, HM PE);
* полиэтилен с высокими эксплуатационными характеристиками (англ. High performance polyethylene, HP PE). Сверхвысокая масса молекул определяет уникальные свойства СВМПЭ, отличные от других разновидностей полиэтилена.чные от других разновидностей полиэтилена.
, UHMW (Ultra high molecular weight polyethy … UHMW (Ultra high molecular weight polyethylene) é a sigla em inglês para Polietileno de Ultra Alto Peso Molecular. O peso molecular extremamente elevado proporciona a esse plástico de engenharia, além de excelentes propriedades mecânicas, uma viscosidade tão alta no estado fundido que o índice de fluidez (190oC / 21,6kg) aproxima-se de zero. Destacam-se como principais qualidades a alta resistência ao desgaste por abrasão, a alta resistência ao impacto e o baixo coeficiente de atrito.o impacto e o baixo coeficiente de atrito.
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El polietileno de ultra alto peso molecula … El polietileno de ultra alto peso molecular es un polímero de la familia de los polímeros olefínicos conformado por unidades repetitivas de etileno. Se le suele designar como UHMWPE (por sus siglas en inglés, Ultra-high-molecular-weight polyethylene) o HMPE (high-modulus polyethylene). El HMPE tiene cadenas extremadamente largas, que cuentan con una masa molecular que ronda entre 3.5 y 7.5 millones de dalton. Lo que hace que el HMPE sea un material muy resistente, teniendo la mayor resistencia al impacto de cualquier termoplástico fabricado.cto de cualquier termoplástico fabricado.
, Il polietilene ad altissimo peso molecolar … Il polietilene ad altissimo peso molecolare (in inglese Ultra High Molecular Weight Poly-Ethylene) è un polimero specialistico, non fluido, lavorato con tecniche simili a quelle dei metalli; ha una massa atomica di 3-6 MDa.Filato al 5% in naftalina o decalina dà una fibra, chiamata Dyneema con una cristallinità dell'85% e densità di 0,97 g/cm3. Questa "super-fibra" è utilizzata per applicazioni speciali quali indumenti anti-proiettile, vele, cordami; risulta essere 2 volte più resistente del kevlar e 15 volte più dell'acciaio a parità di peso. Rappresenta il materiale più leggero e resistente in commercio.Seppur sia un polimero lineare, il suo grado di cristallinità non è elevato (45-60%), e può essere anche inferiore a quello dell'LDPE (50-60%). Il motivo sta nel fatto che l'UHMWPE allo sl motivo sta nel fatto che l'UHMWPE allo s
, Ultra-high-molecular-weight polyethylene ( … Ultra-high-molecular-weight polyethylene (UHMWPE, UHMW) is a subset of the thermoplastic polyethylene. Also known as high-modulus polyethylene, (HMPE), it has extremely long chains, with a molecular mass usually between 3.5 and 7.5 million amu. The longer chain serves to transfer load more effectively to the polymer backbone by strengthening intermolecular interactions. This results in a very tough material, with the highest impact strength of any thermoplastic presently made.ength of any thermoplastic presently made.
, 超高分子量ポリエチレン（ちょうこうぶんしりょうぽりえちれん、Ultra High Molecular Weight Polyethylene－UHPEまたはUHMWPE）は、通常2～30万の分子量を100～700万まで高めたポリエチレン。熱可塑性樹脂に分類される合成樹脂であり、スーパーエンジニアリングプラスチックのひとつとみなされている。 ダイニーマ（Dyneema、コーニンクレッカDSM、東洋紡がライセンス生産）、スペクトラ（Spectra、ハネウェル）などの商品名でも呼ばれる。
, Сверхвысокомолекуля́рный полиэтилéн (СВМПЭ … Сверхвысокомолекуля́рный полиэтилéн (СВМПЭ, англ. Ultra-high molecular weight polyethylene, UHMW PE) — термопластичный полимер, конструкционный материал, пригодный для работы в экстремальных условиях эксплуатации. Синонимы:
* полиэтилен с высоким модулем упругости (англ. High modulus polyethylene, HM PE);
* полиэтилен с высокими эксплуатационными характеристиками (англ. High performance polyethylene, HP PE). Сверхвысокая масса молекул определяет уникальные свойства СВМПЭ, отличные от других разновидностей полиэтилена.чные от других разновидностей полиэтилена.
, Le polyéthylène de masse molaire très élev … Le polyéthylène de masse molaire très élevée (UHMPE) est un polyéthylène haute densité (PE-HD) caractérisé par une excellente tenue à l'abrasion. En raison de sa très forte masse molaire, ce polyéthylène linéaire présente un indice de fluidité très faible, sa mise en forme est donc difficile. Des fibres de module très élevé peuvent être obtenues après étirage.élevé peuvent être obtenues après étirage.
, UHMW (Ultra high molecular weight polyethy … UHMW (Ultra high molecular weight polyethylene) é a sigla em inglês para Polietileno de Ultra Alto Peso Molecular. O peso molecular extremamente elevado proporciona a esse plástico de engenharia, além de excelentes propriedades mecânicas, uma viscosidade tão alta no estado fundido que o índice de fluidez (190oC / 21,6kg) aproxima-se de zero. Destacam-se como principais qualidades a alta resistência ao desgaste por abrasão, a alta resistência ao impacto e o baixo coeficiente de atrito.o impacto e o baixo coeficiente de atrito.
, 초고분자량 폴리에틸렌(ultrahigh molecular weight polyethylene, UHMWPE)은 열가소성 폴리에틸렌의 일종이다.
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| rdfs:label |
Polietilene ad altissimo peso molecolare
, Сверхвысокомолекулярный полиэтилен высокой плотности
, Polietileno de ultra alto peso molecular
, 초고분자량 폴리에틸렌
, Ultra-high-molecular-weight polyethylene
, 超高分子量ポリエチレン
, UHMWPE
, Polyéthylène de masse molaire très élevée
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